10220001211111 has 2 divisors, whose sum is σ = 10220001211112. Its totient is φ = 10220001211110.

The previous prime is 10220001211097. The next prime is 10220001211129. The reversal of 10220001211111 is 11111210002201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11111210002201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10220001211111 - 2³⁹ = 9670245397223 is a prime.

It is a super-2 number, since 2×10220001211111² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10220001211091 and 10220001211100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220001271111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110000605555 + 5110000605556.

It is an arithmetic number, because the mean of its divisors is an integer number (5110000605556).

Almost surely, 2^{10220001211111} is an apocalyptic number.

10220001211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220001211111 is an equidigital number, since it uses as much as digits as its factorization.

10220001211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10220001211111 its reverse (11111210002201), we get a palindrome (21331211213312).

The spelling of 10220001211111 in words is "ten trillion, two hundred twenty billion, one million, two hundred eleven thousand, one hundred eleven".